Home / 178,839,332.70-268,258,999.05-168,257,751.90

Finding the Fourth Proportional to 178,839,332.70, 268,258,999.05 and 168,257,751.90

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Solution

The fourth proportional to 178,839,332.70, 268,258,999.05 and 168,257,751.90 is: 252,386,627.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,839,332.70 : 268,258,999.05 = 168,257,751.90 : x
  2. Step 2: Convert to fraction form
    178,839,332.70/268,258,999.05 = 168,257,751.90/x
  3. Step 3: Cross multiply
    178,839,332.70x = 268,258,999.05 × 168,257,751.90
  4. Step 4: Simplify right side
    178,839,332.70x = 45,136,656,107,097,240
  5. Step 5: Solve for x
    x = 45,136,656,107,097,240/178,839,332.70
  6. Step 6: Final answer
    x = 252,386,627.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.